<template>
  <div class="list_container"  style="height: 100px;">
  <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索/添加区域（一行两列） -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
           <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table 表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="110px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight"  width="80px"></el-table-column>
        <el-table-column label="创建时间" width="180px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="nothing"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="remove(scope.row)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域-->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
import { messageTip } from '@/api/messageTipAPI.js'
export default {
  name: 'List',
  data () {
    return {
      // 商品列表数据
      goodsList: [],
      // 总数据条数
      total: 0,
      // 查询的参数，数据对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      }
    }
  },
  methods: {
    // 获取所有商品列表数据
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) return messageTip('error', '获取商品列表数据失败！')
      // 请求成功的操作
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    // 监听显示条数的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听页码值的变化
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除商品功能
    async remove (row) {
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(error => error)
      if (confirmResult !== 'confirm') return messageTip('info', '已取消删除')
      // 确认删除的操作
      const { data: res } = await this.$http.delete('goods/' + row.goods_id)
      if (res.meta.status !== 200) return messageTip('error', '商品删除失败！')
      // 请求成功的操作
      messageTip('success', '商品删除成功！')
      this.getGoodsList()
    },
    // 前往添加页面组件
    goAddpage () {
      this.$router.push('/goods/add')
    },
    nothing () {
      messageTip('warning', '编辑功能因接口原因暂未开放！')
    }
  },
  created () {
    // console.log(this.queryInfo.query)
    this.getGoodsList()
  }
}
</script>

<style lang="less" scoped>

</style>
